12 September 2020 : Clinical Research
Radiological and Clinical Differences between Tinavi Orthopedic Robot and O-Arm Navigation System in Thoracolumbar Screw Implantation for Reconstruction of Spinal Stability
Jinpeng Du1CDE, Lin Gao1BE, Dageng Huang1CD, Lequn Shan1BC, Wentao Wang1BF, Yong Fan1BF, Dingjun Hao1G, Liang Yan1AG*DOI: 10.12659/MSM.924770
Med Sci Monit 2020; 26:e924770
Table 2 Accuracy of pedicle screw placement between the 2 technologies.
| Screw position* | RA (n=760) (%) | ON (n=908) (%) | P value |
|---|---|---|---|
| A | 731 (96.2) | 822 (90.5) | |
| B | 28 (3.7) | 56 (6.2) | |
| A+B | 757 (99.6) | 878 (96.7) | |
| C | 0 (0) | 20 (2.2) | |
| D | 3 (0.4) | 10 (1.1) | |
| C+D | 3 (0.4) | 30 (3.3) | |
| Orientation of pedicle encroachment (n) | Medial: 4 (18.2) | ||
| Lateral: 15 (68.2) | |||
| Superior: 3 (13.6) | |||
| Inferior: 0 (0) | |||
| Deviation sagittal (°), mean (SD) | 1.2±0.4 | 1.4±0.7 | |
| Deviation transversal (°), mean (SD) | 1.5±0.5 | 1.6±0.8 | |
| Intraoperative Revision of screws (%) | 3 (0.4) | 8 (0.9) | 0.222 |
| # | |||
| Grade 0 | 751 (98.8) | 884 (97.4) | |
| Grade 1 | 9 (1.2) | 18 (2.0) | |
| Grade 2 | 0 (0) | 6 (0.6) | |
| * Screw position identified according to Rampersaud scale A to D classification; RA – Robot-assisted; ON – O-arm navigation system. # Facet joint violation was evaluated according to the classification described by Kim et al. Grade 0=no impingement, Grade 1=screw head in contact/suspected to be in contact with facet joint, Grade 2=screw clearly invaded the facet joint. | |||